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Buck-boost rectifier, refrigeration system including a buck-boost rectifier, and method of providing power to a refrigeration unit via a buck-boost rectifier
Buck-boost rectifier, refrigeration system including a buck-boost rectifier, and method of providing power to a refrigeration unit via a buck-boost rectifier
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机译:升降压整流器,包括升降压整流器的制冷系统以及通过升降压整流器向制冷单元供电的方法
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摘要
A buck/boost rectifier. The rectifier is connectable to an alternating current power source and includes an upper bus, a lower bus, an upper rectifier, a lower rectifier, a pulse-width-modulation (PWM) controller, a phase-angle (PA) controller, and a capacitor. The upper rectifier is coupled to the upper bus, and the lower rectifier is coupled in a series-type relationship with the upper rectifier and to the lower bus. The PWM controller is coupled to the lower rectifier and is configured to boost a direct current (DC) voltage output by the rectifier. The PA controller is coupled to the lower rectifier and is configured to buck the DC voltage output by the rectifier. The capacitor is coupled between the upper bus and the lower bus.
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